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Unread 07-06-2013, 09:20 PM   #1
ps2cho
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Join Date: Jul 2013
Location: Mesa, AZ
Posts: 6
Need some help charging R12 A/C

Hey guys,

92 Cherokee 4.6L stroker.

Next up is A/C. I have experience with R12 systems on my Mercedes, but I am confused with the Jeep.

Problem: I don't see ANY shrader valves at all in the R12 service ports, both high and low..are they missing or is this a jeep thing?

I have a big vac pump gauges and 2.4lbs of R12 to put in. It has NOT been converted to R134a and I have no reason to do so out here in Arizona.

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Unread 07-06-2013, 09:32 PM   #2
Motorcharge
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1991 MJ Comanche 
 
Join Date: Oct 2008
Location: Richmond, Virginia
Posts: 12,099
My 92 has em. Gimme a min and I'll go look and see if I can't get a pic.
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Unread 07-06-2013, 09:43 PM   #3
Motorcharge
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1991 MJ Comanche 
 
Join Date: Oct 2008
Location: Richmond, Virginia
Posts: 12,099
One of the two knobs on the back has a schrader valve in it on mine. Can't recall which, it's been about a year since I've messed with it. edit: now that I think about it it may be a presta valve.
img_20130706_223650_787.jpg

img_20130706_223645_779.jpg

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